/*******************************************************************************
 * Copyright 2017 Bstek
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License.  You may obtain a copy
 * of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations under
 * the License.
 ******************************************************************************/
package com.bstek.urule.model.rete.builder;

import com.bstek.urule.model.rete.BaseReteNode;
import com.bstek.urule.model.rete.ConditionNode;
import com.bstek.urule.model.rule.lhs.Criteria;
import com.bstek.urule.model.rule.lhs.Criterion;
import com.bstek.urule.model.rule.lhs.Junction;
import com.bstek.urule.model.rule.lhs.NamedCriteria;

public abstract class JunctionBuilder extends CriterionBuilder {
    protected BaseReteNode buildCriterion(Criterion criterion, BuildContext context, ConditionNode prevCriteriaNode) {
        if (criterion instanceof Junction) {
            Junction junction = (Junction) criterion;
            return ReteBuilder.buildCriterion(context, junction);
        } else if (criterion instanceof Criteria) {
            Criteria criteria = (Criteria) criterion;
            return buildCriteria(criteria, prevCriteriaNode, context);
        } else if (criterion instanceof NamedCriteria) {
            NamedCriteria criteria = (NamedCriteria) criterion;
            return buildNamedCriteria(criteria, prevCriteriaNode, context);
        }
        return null;
    }
}
